What is error 0xc000007b

Error message 0xc000007b usually appears when you are trying to open an application on Windows. This error occurs when you upgrade Windows to a new version and then open the application, or it may occur on your old version of Windows when you install or open a new application. The error message is as follows: “The application was unable to start correctly – error code (0xc000007b)”. In this article we will guide you how to fully resolve the error 0xc000007b.

Cause of error 0xc000007b

There are many causes of error 0xc000007b. The process of updating Windows to the new version encountered an error, local error from the application you are using, the application you are using is related to a faulty hardware device, your computer is infected with a virus or malware…The most common cause of the 0xc000007b error is the incompatibility between the version of Windows that you are using with the application you need to open, you use 64 bit Windows while you install a 32 bit application or vice versa.

How to fix error 0xc000007b

The recommended fixes for all errors, may be true to error 0xc000007b

Update the latest driver version for your computer

You need to find the latest drivers for your device. You can search for them automatically or manually.


You can search for drivers + device name on Google, or search on the official website of the hardware vendors. If you use a synchronous computer or laptop, you can search for drivers by entering the serial number of the computer on the Microsoft website.


You can use some automated driver search software, example Driver Easy, Driver Booster, Driver Detective…Download software, scan and install the latest drivers.

Install all available Windows updates

Microsoft constantly updates the new version of the Windows operating system. Sometimes a version of the Windows operating system is found to have a lot of errors, but the updated version can then immediately remove these errors completely. So if your computer encounters an error such as 0x8007042b, 0xc004f074 or 0xc00000e9, please check whether the latest version of Microsoft has fixed this error or not.

To check for Windows Updates (Windows XP, Vista, 7, 8, and 10):

  • Press Windows key or click the Start button.
  • Type “update” into the search box and hit ENTER.
  • The Windows Update dialog box will appear.
  • If updates are available, click the Install Updates button
  • Restart your computer to finish

Restore your computer to a time that has not occurred any errors

  • Start your computer and log on as an administrator.
  • Click the Start button then select All Programs, Accessories, System Tools, and then click System Restore.
  • In the new window, select “Restore my computer to an earlier time” option and then click Next.
  • Pick a past date when your computer worked without any issues from the “On this list, click a restore point” list, and then click Next.
  • Click Next on the confirmation window.
  • Restarts the computer to finished.

Scan virus and check the connection of the hardware devices to your computer

In case of error 0xc00000e9 occurs during the process of using your computer. Can the cause of the error is that your computer is infected with a virus or malware, or one of your hardware devices is corrupted, or it simply encounters a problem when connecting to your computer.

First, scan your computer for viruses. Some antivirus software recommend that you use: Avira Antivirus 2018, AVG AntiVirus, Avast Antivirus 2018, Kaspersky. The software comes with free and paid versions that fit your needs. After the virus scan, if your errors are not fixed, try disconnecting the external devices to your computer (external hard drive, printer, mouse or keyboard …), then restart your computer. If the error has been fixed, congratulations – if not, try the next solution.

Recommended fixes for error 0xc000007b

Try re-installing the game or application

Maybe the installation of game or application on your computer has some unknown error, the easiest solution is to reinstall it.

Reinstall or update Microsoft .NET framework

To uninstall, go to Control Panel -> Uninstall Program, right-click the Microsoft .NET Framework and then click Uninstall. Restart your computer to finish. For updates, you can download the latest version of the .NET Framework from Microsoft. When installed (or reinstalled), please restart and try your application or game again.

Start an app or game as an administrator

To do that, right-click on the application’s shortcut, select Run as Administrator. Or right click on the shortcut or the actual executable for the game, select Properties and open the Compatibility tab. Tick the ‘Run this program as an administrator’ box, and click on OK.


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